India trains nearly 400,000 nurses annually, more than any other country. In the second of a four-part series on the global nursing shortage, CNA looks at why Indian nurses are seeking work elsewhere. KERALA: Providing care is a calling, not just a profession – this is the belief that final-year nursing student Karoline Thomas said she inherited from her mother, who is also a nurse.  But as she prepares to graduate this year, her ambitions lie far from her home state of Kerala in southern India.